2173173 has 8 divisors (see below), whose sum is σ = 2997600. Its totient is φ = 1398768.

The previous prime is 2173153. The next prime is 2173183. The reversal of 2173173 is 3713712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2173173 - 2⁵ = 2173141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12403 + ... + 12576.

It is an arithmetic number, because the mean of its divisors is an integer number (374700).

2^2173173 is an apocalyptic number.

It is an amenable number.

2173173 is a deficient number, since it is larger than the sum of its proper divisors (824427).

2173173 is a wasteful number, since it uses less digits than its factorization.

2173173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25011.

The product of its digits is 882, while the sum is 24.

The square root of 2173173 is about 1474.1685792337. The cubic root of 2173173 is about 129.5283301912.

Adding to 2173173 its reverse (3713712), we get a palindrome (5886885).

It can be divided in two parts, 2173 and 173, that added together give a triangular number (2346 = T₆₈).

The spelling of 2173173 in words is "two million, one hundred seventy-three thousand, one hundred seventy-three".